TABLE I-12 Ranges of Worldwide Land-based Contributions of Oil and Grease to the Sea

 

 

 

Unit Load Based on Urban Area (g m−2 yr−1)

Annual Load (tonne yr−1)

World Region

Coastal Zone

Description

Low

Best Est.

High

Low

Best Est.

High

North Americaa

A

No urban areas

0

0

0

0

0

0

B

Coastal

0

0

0

0

0

0

Saskatchewan

1.13

1.25

12.22

39,367

43,542

424,440

Subtotal

 

 

 

39,367

43,542

424,440

C

Coastal

1.13

1.25

12.22

7,711

8,529

82,137

St. Lawrence

1.13

1.25

12.22

22,330

24,699

240,759

Subtotal

 

 

 

30,041

33,228

323,896

D

Coastal

1.13

12.22

12.22

137,971

1,487,571

1,487,571

Delaware

12.22

12.22

12.22

62,130

62,130

62,130

Hudson

1.13

12.22

12.22

24,912

268,593

268,593

James

1.13

12.22

12.22

8,715

93,964

93,964

Potomac

1.13

1.25

12.22

2,211

2,446

23,843

Susquehanna

1.13

1.25

12.22

31,066

34,361

334,943

Subtotal

 

 

 

267,005

1,949,065

2,271,044

E

Coastal

1.13

1.25

12.22

90,504

100,104

975,790

Altamaha

1.13

1.25

12.22

6,234

6,896

67,218

Neuse

1.13

1.25

12.22

11,874

13,133

128,021

Roanoke

1.13

1.25

12.22

5,476

6,057

59,043

Santee

1.13

1.25

12.22

30,353

33,573

327,262

Savannah

1.13

1.25

12.22

7,191

7,954

77,533

Subtotal

 

 

 

151,633

167,717

1,634,867

F

Coastal

1.13

1.25

12.22

48,015

53,108

517,689

Alabama-Tombigbee

1.13

1.25

12.22

22,503

24,890

242,625

Apalachicola

1.13

1.25

12.22

24,613

27,223

265,366

Subtotal

 

 

 

95,131

105,222

1,025,680

G

Coastal

1.13

1.25

12.22

85,345

94,398

920,166

Gulf coast refineries

2,005

2,882

3,759

Brazos

1.13

1.25

12.22

16,309

18,039

175,838

Colorado (TX)

1.13

1.25

12.22

16,879

18,670

181,989

Mississippi

1.13

1.13

1.13

525,638

525,638

525,638

Rio Grande

1.13

1.25

12.22

49,709

54,982

535,947

Sabine

1.13

1.25

12.22

7,896

8,734

85,137

Trinity

1.13

1.25

12.22

26,736

29,572

288,257

Subtotal

 

 

 

730,517

752,913

2,716,731

Ha

Coastal and inland rivers

 

 

 

52,405

108,189

383,817

I

No urban areas

0

0

0

0

0

0

Ja

Coastal and inland rivers

 

 

 

27,906

57,612

204,387

K

Coastal

1.13

1.25

12.22

112,086

123,976

1,208,486

L

Coastal

1.13

1.25

12.22

49,137

54,349

529,786

Sacramento

1.13

1.25

12.22

34,511

38,171

372,087

San Joaquin

1.13

1.25

12.22

52,118

57,647

561,928

Subtotal

 

 

 

135,767

150,168

1,463,800

M

Coastal

1.13

1.25

12.22

61,230

67,725

660,166

Columbia

1.13

1.25

12.22

34,542

38,206

372,425

Subtotal

 

 

 

95,772

105,931

1,032,591

N

Coastal

1.13

1.25

12.22

3,916

4,332

42,223

O

Coastal

1.13

1.25

12.22

1,762

1,949

19,002

P

Coastal

1.13

1.25

12.22

4,985

5,514

53,746

Copper

0

0

0

0

0

0

Susitna

0

0

0

0

0

0

Subtotal

 

 

 

4,985

5,514

53,746

Q

Coastal

0

0

0

0

0

0

Yukon

0

0

0

0

0

0

Subtotala

 

 

 

1,667,983

3,443,557

12,216,509

Africa

 

 

 

 

 

118,619

244,889

868,779

Europe

 

 

 

 

 

1,500,400

3,097,582

10,989,115

Central America

 

 

 

 

 

109,541

226,147

802,290

South America

 

 

 

 

 

227,567

469,813

1,666,729

Asia

 

 

 

 

 

820,264

1,693,439

6,007,717

Oceania

 

 

 

 

 

96,511

199,247

706,856

TOTAL

 

 

 

 

 

4,540,885

9,374,674

33,257,994

NOTES: aSubtotal for North America does not include Coastal Zones in Mexico.



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